Sofa



FIG. 1 is a front perspective view of a sofa showing my new design;

FIG. 2 is a partial, rear perspective view of the embodiment of FIG. 1;

FIG. 3 is a left elevation view of the embodiment of FIG. 1;

FIG. 4 is a right elevation view of the embodiment of FIG. 1;

FIG. 5 is a rear elevation view of the embodiment of FIG. 1;

FIG. 6 is a left elevation view of a second embodiment of the sofa depicted in FIG. 1;

FIG. 7 is a right elevation view of the embodiment of FIG. 6; and,

FIG. 8 is a rear elevation view of the embodiment of FIG. 6.

The broken line disclosure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a sofa, as shown and described. 